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Finding the Fourth Proportional to 222,542.62, 333,827.50 and 72,798.72

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Solution

The fourth proportional to 222,542.62, 333,827.50 and 72,798.72 is: 109,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,542.62 : 333,827.50 = 72,798.72 : x
  2. Step 2: Convert to fraction form
    222,542.62/333,827.50 = 72,798.72/x
  3. Step 3: Cross multiply
    222,542.62x = 333,827.50 × 72,798.72
  4. Step 4: Simplify right side
    222,542.62x = 24,302,214,700.80
  5. Step 5: Solve for x
    x = 24,302,214,700.80/222,542.62
  6. Step 6: Final answer
    x = 109,202.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.